Bobby's quiet -- he's got no choice. He's stunned right into it. How the hell are you even supposed to respond to it? His first instinct is to jump to some outside influence... curse or something because how the hell would that have happened otherwise?

He looks between them, but Dean's got his eyes locked on Sam's and Sam's got his on Dean's like they think that'll make him fade out of the damn room or something.

"What the hell are you two talking about?" he demands, not sure what else to say.